Year	Percent
1993-01-01	2.1467200000000000
1994-01-01	3.4007099999999997
1995-01-01	6.9742500000000000
1996-01-01	12.6822000000000000
1997-01-01	23.6709000000000000
1998-01-01	23.7963000000000000
1999-01-01	28.5789000000000000
2000-01-01	25.6954000000000000
2001-01-01	32.1371000000000000
2002-01-01	54.9860000000000040
2003-01-01	51.9605000000000000
2004-01-01	56.1048000000000000
2005-01-01	81.6285000000000000
2006-01-01	90.2810000000000000
2007-01-01	104.5570000000000000
2008-01-01	96.8705000000000000
2009-01-01	84.8390000000000000
2010-01-01	75.3466000000000000
2011-01-01	71.4902000000000000
2012-01-01	87.3823000000000000
2013-01-01	83.5740000000000000
2014-01-01	76.4274000000000000
2015-01-01	85.6857000000000000
2016-01-01	81.4435000000000000